SOLUTION:
Two small airplanes started out at the same time from two cities 1,470 kilometers apart and met in 3 hours. If the rate of one was 230 kph, what was the average speed of the
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Question 993618:
Two small airplanes started out at the same time from two cities 1,470 kilometers apart and met in 3 hours. If the rate of one was 230 kph, what was the average speed of the other?
Answer by ikleyn(52787) (Show Source): You can put this solution on YOUR website!
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Two small airplanes started out at the same time from two cities 1,470 kilometers apart and met in 3 hours. If the rate of one was 230 kph, what was the average speed
of the other?
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The first airplane covered the distance of 230 * 3 hours = 690 km from the starting point to the meeting point.
Hence, the second airplane covered 1470 km - 690 km = 780 km.
Therefore, the average speed of the second airplane was = 260 .
Answer. The average speed of the second airplane was 260 kilometers per hour.
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The good old style requires to say in the condition that airplanes flied toward each other.
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